access to unmanaged code

I am trying to access a dll for some unmanaged C codedeveloped with pre-.netVC++ 6.0. I can write a wrapper using asp.net 3.5 that works fine on my desktop webproject. I just put the two dlls (unmanaged dll and the managed dll wrapper)into a /bin folder in my webproject and all works as expected.

However, when I upload the webproject to DASP the application cannot find the unmanaged dll. I am told by DASP tech support that i need to re-write the unmanaged code to managed code -- but that's not an option for this extensive public domain legacy code base that is widely used.

I have been told by responses at the asp.net forum that the webhost doesnt actually use the dlls in the /bin directory by copies these to a folder in the webhost PATH environment. However apparently, DASP does not copy the unmanaged code dlls (i'm guessing here).

Has anyone else come up with this requirement and been able to solve it?

---Jim